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-rw-r--r--Documentation/networking/mptcp-sysctl.rst8
-rw-r--r--net/mptcp/ctrl.c8
2 files changed, 9 insertions, 7 deletions
diff --git a/Documentation/networking/mptcp-sysctl.rst b/Documentation/networking/mptcp-sysctl.rst
index 6af0196c4297..3b352e5f6300 100644
--- a/Documentation/networking/mptcp-sysctl.rst
+++ b/Documentation/networking/mptcp-sysctl.rst
@@ -7,13 +7,13 @@ MPTCP Sysfs variables
/proc/sys/net/mptcp/* Variables
===============================
-enabled - INTEGER
+enabled - BOOLEAN
Control whether MPTCP sockets can be created.
- MPTCP sockets can be created if the value is nonzero. This is
- a per-namespace sysctl.
+ MPTCP sockets can be created if the value is 1. This is a
+ per-namespace sysctl.
- Default: 1
+ Default: 1 (enabled)
add_addr_timeout - INTEGER (seconds)
Set the timeout after which an ADD_ADDR control message will be
diff --git a/net/mptcp/ctrl.c b/net/mptcp/ctrl.c
index a3b15ed60b77..1ec4d36a39f0 100644
--- a/net/mptcp/ctrl.c
+++ b/net/mptcp/ctrl.c
@@ -21,7 +21,7 @@ struct mptcp_pernet {
struct ctl_table_header *ctl_table_hdr;
#endif
- int mptcp_enabled;
+ u8 mptcp_enabled;
unsigned int add_addr_timeout;
};
@@ -50,12 +50,14 @@ static void mptcp_pernet_set_defaults(struct mptcp_pernet *pernet)
static struct ctl_table mptcp_sysctl_table[] = {
{
.procname = "enabled",
- .maxlen = sizeof(int),
+ .maxlen = sizeof(u8),
.mode = 0644,
/* users with CAP_NET_ADMIN or root (not and) can change this
* value, same as other sysctl or the 'net' tree.
*/
- .proc_handler = proc_dointvec,
+ .proc_handler = proc_dou8vec_minmax,
+ .extra1 = SYSCTL_ZERO,
+ .extra2 = SYSCTL_ONE
},
{
.procname = "add_addr_timeout",